Michigan rocker Jack White is once again set to perform before a national audience.

It's been a weekend of highs and lows for Jack White.To start with the positive, the "Seven Nation Army" rocker has been announced as the musical guest for the April 4 episode of Saturday Night Live.

Papyrus! Cowbell! Head Wound Harry! They're all here—plus quite a few that you wouldn't expect.

The host is a famous actor and musician, while the musical guest is a Detroiter who is a member of the Rock and Roll Hall of Fame. Shortly after Harry Styles hosted and performed on the March 14 ...